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Cleans up registry - and keeps only the latest tagged version
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| #!/bin/bash | |
| REGISTRY="example-registry.com" | |
| USER="reg-user" | |
| # List of repositories | |
| REPOSITORIES=( | |
| "repository-1" | |
| "repository-2" | |
| "repository-3" | |
| ) | |
| # Function to delete an image using its digest | |
| delete_image() { | |
| local image=$1 | |
| local tag=$2 | |
| echo "Deleting image: $image:$tag" | |
| digest=$(curl -u $USER:$PWD -I -s -H "Accept: application/vnd.docker.distribution.manifest.v2+json" "http://$REGISTRY:5000/v2/$image/manifests/$tag" | grep Docker-Content-Digest | awk '{print $2}' | tr -d '\r') | |
| if [ -z "$digest" ]; then | |
| echo "Error: Digest not found for image $image:$tag" | |
| return 1 | |
| fi | |
| curl -u $USER:$PWD -X DELETE "http://$REGISTRY:5000/v2/$image/manifests/$digest" | |
| } | |
| # Function to get all tags for an image | |
| get_tags() { | |
| local image=$1 | |
| curl -u $USER:$PWD -s "http://$REGISTRY:5000/v2/$image/tags/list" | jq -r '.tags[]' | |
| } | |
| # Prompt user for confirmation | |
| echo -n "Enter registry password for user '$USER' to confirm: | |
| " | |
| read -s PWD | |
| if [ "$PWD" ]; then | |
| for image in "${REPOSITORIES[@]}"; do | |
| tags=$(get_tags "$image") | |
| # sort tags and pop last (latest) | |
| sorted=( $( for x in ${tags[@]}; do echo $x; done | sort ) ) | |
| unset "sorted[${#sorted[@]}-1]" | |
| for tag in ${sorted[@]}; do | |
| delete_image "$image" "$tag" | |
| done | |
| done | |
| echo "Images deleted successfully." | |
| # Run garbage collection | |
| docker exec -it registry registry garbage-collect /etc/docker/registry/config.yml | |
| # Remove repository folders | |
| for image in "${REPOSITORIES[@]}"; do | |
| docker exec -it registry rm -r "/var/lib/registry/docker/registry/v2/repositories/$image" | |
| echo "Deleted directory for image: $image" | |
| done | |
| # Show final view of the catalog | |
| curl -u $USER:$PWD -X GET http://$REGISTRY:5000/v2/_catalog | jq | |
| else | |
| echo "Operation cancelled." | |
| fi |
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